scholarly journals Local Fit Evaluation of Structural Equation Models Using Graphical Criteria

2017 ◽  
Author(s):  
Felix Thoemmes ◽  
Yves Rosseel ◽  
Johannes Textor
Keyword(s):  
Structural Equation Model ◽  
Structural Equation ◽  
Goodness Of Fit ◽  
Structural Equation Models ◽  
Equation Model ◽  
Model Fit ◽  
Global Approach ◽  
Goodness Of Fit Test ◽  
Single Index ◽  
Model Misfit

Evaluation of model fit is critically important for every structural equation model and sophisticated methods have been developed for this task. Among them are the χ2 goodness-of-fit test, decomposition of the χ2, derived measures like the popular RMSEA or CFI, or inspection of residuals or modification indices. Many of these methods provide a global approach to model fit evaluation: A single index is computed that quantifies the fit of the entire SEM to the data. In contrast, graphical criteria like d-separation or trek-separation allow to derive implications that can be used for local fit evaluation, an approach that is hardly ever applied. We provide an overview of local fit evaluation from the viewpoint of SEM practitioners. In the presence of model misfit, local fit evaluation can potentially help in pinpointing where the problem with the model lies. For models that do fit the data, local tests can identify the parts of the model that are corroborated by the data. Local tests can also be conducted before a model is fitted at all, and they can be used even for models that are globally under-identified. We discuss appropriate statistical local tests, and provide applied examples. We also present novel software in R that automates this type of local fit evaluation.

scholarly journals Validation of the Mental Toughness Measure of Athletes and Non-athletes with the Structural Equation Model

2021 ◽  
Vol 119 ◽  
pp. 01001
Author(s):  
Issam Eddine Ben Chelbi ◽  
Jaouad Alem ◽  
Driss Boudhiba ◽  
Sabeur Hamrouni ◽  
Riadh Khalifa ◽  
...  
Keyword(s):  
Structural Equation Model ◽  
Structural Equation ◽  
Structural Equation Models ◽  
Scientific Research ◽  
Equation Model ◽  
Model Fit ◽  
Mental Toughness ◽  
Psychological Constructs ◽  
Arabic Speaking

The use of structural equation models (SEM) in scientific research perform a promising methodological and empirical direction to validate the measurement of psychological constructs. The aim of this paper is to validate the measurement of mental toughness of athletes and non-athletes with SEM. The sample consisted of 853 Tunisian participants (444 males and 409 females; 409 athletes and 444 non-athletes), aged 14 to 27 years (M=20.38 SD=4.12). The sample completed the Arabic translated questionnaire of Clough, Earle [1] which measures six components of their mental toughness. The SEM approved a good model fit (χ²=1146.33; df =1065; CFI=.93; SRMR=.063; RMSEA=.009) which allows for a valid Arabic-speaking measure of the six components of mental toughness.

Forced Zero Cross-Loading Misspecifications in Measurement Component of Structural Equation Models

Methodology ◽  
2014 ◽  
Vol 10 (4) ◽  
pp. 138-152 ◽  
Author(s):  
Hsien-Yuan Hsu ◽  
Susan Troncoso Skidmore ◽  
Yan Li ◽  
Bruce Thompson
Keyword(s):  
Structural Equation ◽  
Structural Model ◽  
Structural Equation Models ◽  
Equation Model ◽  
Model Fit ◽  
Model Specification ◽  
Simulation Design ◽  
Measurement Models ◽  
Fit Statistics ◽  
Path Coefficients

The purpose of the present paper was to evaluate the effect of constraining near-zero parameter cross-loadings to zero in the measurement component of a structural equation model. A Monte Carlo 3 × 5 × 2 simulation design was conducted (i.e., sample sizes of 200, 600, and 1,000; parameter cross-loadings of 0.07, 0.10, 0.13, 0.16, and 0.19 misspecified to be zero; and parameter path coefficients in the structural model of either 0.50 or 0.70). Results indicated that factor pattern coefficients and factor covariances were overestimated in measurement models when near-zero parameter cross-loadings constrained to zero were higher than 0.13 in the population. Moreover, the path coefficients between factors were misestimated when the near-zero parameter cross-loadings constrained to zero were noteworthy. Our results add to the literature detailing the importance of testing individual model specification decisions, and not simply evaluating omnibus model fit statistics.

The Structural Equation Models Of Environmental Concern and Knowledge To Green Trust and Green Purchase Intention Towards Green Products (Guideliness)

2018 ◽  
Author(s):  
rizka zulfikar
Keyword(s):  
Structural Equation Model ◽  
Purchase Intention ◽  
Structural Equation ◽  
Goodness Of Fit ◽  
Environmental Concern ◽  
Equation Model ◽  
Environmental Knowledge ◽  
Green Product ◽  
Green Trust ◽  
Fit Index

This research aims to find a structural equation model that can explain the relationship and influence of the environmental concern and Environmental Knowledge to green trust and green purchase intention towards green product. This study is a survey research using questionnaires as an instrument. Population and sample used in this study is public of South Kalimantan Province and taken as many as 150 respondents using non-purposivesampling method. The analysis technique used are : the instruments test, the construct validity and reliability test, the suitability of the model based on the goodness of fit index, pathways analysis and the Influence test according to the model of SEM that complies with the goodness of fit index to determine the effect of variable perception value and risk to public trust. The study found that: (1) Structural equation model of the correlation between the environmental concern and Environmental Knowledge to green trust and green purchase intention towards green product are comply with the criteria and standards of goodness of fit index, (2) (3) (4)

scholarly journals Structural equation model of affecting factors on elder abuse to patients under hemodialysis by family caregivers

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Amaneh Mahmoudian ◽  
Abbas Shamsalinia ◽  
Atefeh Alipour ◽  
Zahra Fotoukian ◽  
Fatemeh Ghaffari
Keyword(s):  
Older Adults ◽  
Family Caregivers ◽  
Structural Equation Model ◽  
Structural Equation ◽  
Goodness Of Fit ◽  
Elder Abuse ◽  
Equation Model ◽  
Care Burden ◽  
Beta Coefficient ◽  
Fit Index

Abstract Background The objectives of the present study were to determine the prevalence of older adults with hemodialysis (HD) abuse by family caregivers and the factors affecting it. Method This is a correlational-causal study, which is conducted in 2018 in Iran. The sample size was 367 in both groups (the older adults and their family caregivers). Data collection was done using an individual-social information questionnaire for the older adults under hemodialysis and their family caregivers, the questionnaire of elder abuse by family caregivers to the older people under hemodialysis, Zarit Burden Interview and the scale of instrumental activities of daily living (IADL). Data were analyzed by the structural equation model (SEM) method. The Fitness of proposed pattern was measured using the following indexes: chi-square/degree of freedom ratio (CMIN/DF), Normed Fit Index (NFI), comparative fit index (CFI), goodness of fit index (GFI), and standardized root mean squared residual (SRMR). The significant level in this study was considered p < 0.05. Results The results of the present study showed that more than 70 % of the older adults suffer from elder abuse by family caregivers on average. The highest median elder abuse was related to emotional misbehavior (21.46 ± 6.09) and financial misbehavior (19.07 ± 5.33), respectively. Moderate care burden was experienced by 63.2 % of caregivers. The percentage of older women and men, who needed help with daily activities was 81.4 and 80.5 %, respectively. The results showed that the caregivers’ level of education and care burden with standard beta coefficient of -0.251 and 0.200 and the educational level of older adults and IADL with the best beta coefficient of -0.299 and − 0.234, had the highest regression effect on elder abuse respectively. According to the results, the model-fit indices of the hypothesized model was meet the criteria, with the NFI = 0.951, GFI = 0.970, CFI = 0.967, and SRMR = 0.041. The outcome was suitable for the recommended level, so the hypothetical model appeared to fit the data. Conclusions The results of the present study showed that the prevalence of elder abuse by family caregivers among the older adults under hemodialysis is high. Providing psychological counseling can reduce the consequences of elder abuse.

Methamphetamine use among people who inject heroin in Hanoi, Vietnam

MedPharmRes ◽  
2021 ◽  
Vol 6 (1) ◽  
pp. 15-21
Author(s):  
Thuy Thi Dieu Dao ◽  
Trang Thu Nguyen ◽  
Tam Minh Nguyen ◽  
Daniel Feaster ◽  
Giang Minh Le
Keyword(s):  
Drug Use ◽  
Family Functioning ◽  
Structural Equation Model ◽  
Structural Equation ◽  
Goodness Of Fit ◽  
Equation Model ◽  
Urine Test ◽  
Cross Sectional Survey ◽  
Methamphetamine Use ◽  
History Of

Introduction: The pattern of drug use in Vietnam has changed rapidly over the past decade, and a large number of people who have a history of heroin injection reportedly use methamphetamine. This paper describes factors associated with methamphetamine use among people who inject heroin in Hanoi, the capital of Vietnam. Methods: This is a cross-sectional survey among 521 heroin injectors who were recruited through chain referral and outreach at community and clinic settings. Eligibility criteria included: (1) male aged 18 or older; (2) reported heroin injecting during the 12 months before the survey; (3) agreed for a urine test to detect methamphetamine and opiate metabolites. The primary outcome, methamphetamine use, was defined as selfreported methamphetamine use during the 30 days before the survey and/or having a urine test positive for methamphetamine. Structural Equation Model was used to evaluate associated factors for methamphetamine use. Results: One third of participants qualified as methamphetamine users as defined in this study. A longer history of heroin use (β=0.126, p<0.001), using MDMA and/or cannabis (β=0.28, p<0.001) and not using condom during sex (β=0.139, p<0.001) were positively associated with methamphetamine use. Family functioning (β=-0.141; p<0.001) was protective. The goodness-of-fit of Structural Equation Model was excellent (CFI=0.934; TLI=0.912; RMSEA=0.033; WRMR=0.98). Conclusions: Methamphetamine use among people who inject heroin is a substantial issue in Hanoi. Family functioning has made a critical contribution on reducing methamphetamine use. Future studies should pay attention to address the role of factors at the family level in addition to individual-level factors towards the pattern of drug use.

scholarly journals Pengaruh Kompetensi Menjual, Kualitas Hubungan, dan Pengalaman Menjual untuk meningkatkan Kinerja Tenaga Penjualan (Studi pada PT. New Ratna Motor Semarang)

2017 ◽  
Vol 16 (1) ◽  
pp. 1
Author(s):  
Aulia Arma ◽  
Augusty Tae Ferdinand ◽  
Susilo Toto Raharjo
Keyword(s):  
Structural Equation Model ◽  
Structural Equation ◽  
Goodness Of Fit ◽  
Equation Model ◽  
Full Model ◽  
Chi Square

Tujuan penelitian ini adalah untuk menganalisis pengaruh kompetensi menjual, kualitas hubungan, dan pengalaman menjual untuk meningkatkan kinerja tenaga penjualan di PT. New Ratna Motor. Adapun  objek pada penelitian ini adalah tenaga penjualan PT. New Ratna Motor. Sampel pada penelitian ini sebanyak 139 responden dan teknik pengambilan sampel yang digunakan pada penelitian ini adalah teknik sensus.Teknik analisis data yang digunakan adalah teknik structural equation model (SEM) dari software AMOS 22. Hasil pengujian menggunakan SEM menunjukan kriteria goodness of fit full model adalah Chi-Square = 92,407; Probability = 0,000; CMIN/DF = 1,925; GFI = 0,893; AGFI = 0,826, TLI = 0,960; CFI = 0,971; dan RMSEA = 0,084. Dengan demikian dapat dikatakan bahwa model dalam penelitian ini layak untuk digunakan.Hasil penelitian menunjukan bahwa kompetensi menjual berpengaruh positif dan signifikan terhadap kualitas hubungan, pengalaman menjual tidak berpengaruh terhadap kualitas hubungan, pengalaman menjual berpengaruh positif dan signifikan terhadap kompetensi menjual, pengalaman menjual berpengaruh positif dan signifikan terhadap kinerja tenaga penjualan, kompetensi menjual tidak berpengaruh terhadap kinerja tenaga penjualan, kualitas hubungan berpengaruh positif dan signifikan terhadap kinerja tenaga penjualan. Penelitian ini memberikan beberapa keterbatasan penelitian serta agenda penelitian mendatang yang bisa dilakukan pada penelitian selanjutnya.

scholarly journals Using the Job Burden-Capital Model of Occupational Stress to Predict Depression and Well-Being among Electronic Manufacturing Service Employees in China

2016 ◽  
Author(s):  
Chao Wang ◽  
Shuang Li ◽  
Tao Li ◽  
Shanfa Yu ◽  
Junming Dai ◽  
...  
Keyword(s):  
Occupational Stress ◽  
Structural Equation Model ◽  
Structural Equation ◽  
Goodness Of Fit ◽  
Statistical Significance ◽  
Well Being ◽  
Equation Model ◽  
Hunan Province ◽  
Electronic Manufacturing ◽  
Proposed Model

Background: This study aimed to identify the association between occupational stress and depression-well-being by proposing a comprehensive and flexible job burden-capital model with its corresponding hypotheses. Methods: For this research, 1618 valid samples were gathered from the electronic manufacturing service industry in Hunan Province, China; self-rated questionnaires were administered to participants for data collection after obtaining their written consent. The proposed model was fitted and tested through structural equation model analysis. Results: Single-factor correlation analysis results indicated that coefficients between all items and dimensions had statistical significance. The final model demonstrated satisfactory global goodness of fit (CMIN/DF=5.37, AGFI=0.915, NNFI=0.945, IFI=0.952, RMSEA=0.052). Both the measurement and structural models showed acceptable path loadings. Job burden and capital were directly associated with depression and well-being or indirectly related to them through personality. Multi-group structural equation model analyses indicated general applicability of the proposed model to basic features of such a population. Gender, marriage and education led to differences in the relation between occupational stress and health outcomes. Conclusions: The job burden-capital model of occupational stress-depression and well-being was found to be more systematic and comprehensive than previous models.

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